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http://dx.doi.org/10.11003/JPNT.2016.5.1.029

Performance Analysis of MLAT System Receiver for Aircraft Flight Control System  

Yoo, Sang-Hoon (Department of Information and Communication Engineering, Chungnam National University)
Oh, Jeong-Hun (Department of Information and Communication Engineering, Chungnam National University)
Koh, Young-Mok (Technique research center of Woori-Byul)
Kim, Su-Hong (Technique research center of Woori-Byul)
Sung, Tae-Kyung (Department of Information and Communication Engineering, Chungnam National University)
Publication Information
Journal of Positioning, Navigation, and Timing / v.5, no.1, 2016 , pp. 29-36 More about this Journal
Abstract
In this paper, performance on receivers of multilateration (MLAT) system that uses ADS-B signal, which is recently becoming popular, was analyzed to overcome shortcomings of existing aircraft flight control systems or reinforce the capabilities. A link budget was analyzed using a channel model in the airport environment with regard to Local Area Multilateration (LAM) for ground-controlled landing around the airport. In order to detect signals that arrived at the receiver successfully, sensitivity of receiver was analyzed using a signal-to-noise ratio (SNR) worksheet, and a method that improves accuracy of the distance measurement was proposed by adopting a peak estimation using sampling signals. Through simulations, optimum specifications of receivers were analyzed to have high precision positioning of LAM, and accuracy of LAM distance measurements was presented.
Keywords
aeronautical surveillance system; ADS-B; MLAT; SNR worksheet;
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